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| Astronomers discover new planet in planetary system similar to our own Sify Astronomers have announced the discovery of a fourth giant planet outside our solar system, strengthening the similarities between a distant planetary ... See all stories on this topic » | ||
| The Man Who Killed Pluto (and Other Space Odysseys) On Point Radio The astronomer who cut Pluto off the list of planets takes us to the very edge of our solar system, and beyond. Mike Brown, professor of planetary astronomy ... See all stories on this topic » |
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